Fortinet FortiAnalyzer/FortiManager 7.2.0-7.2.12/7.4.0-7.4.11/7.6.0-7.6.7/8.0.0 SAML xml injection

Summaryinfo

A vulnerability was found in Fortinet FortiAnalyzer and FortiManager 7.2.0-7.2.12/7.4.0-7.4.11/7.6.0-7.6.7/8.0.0. It has been declared as very critical. The impacted element is an unknown function of the component SAML Handler. Executing a manipulation can lead to xml injection. This vulnerability is handled as CVE-2026-126176. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Fortinet FortiAnalyzer and FortiManager 7.2.0-7.2.12/7.4.0-7.4.11/7.6.0-7.6.7/8.0.0 and classified as very critical. This vulnerability affects some unknown processing of the component SAML Handler. The manipulation with an unknown input leads to a xml injection vulnerability. The CWE definition for the vulnerability is CWE-91. The product does not properly neutralize special elements that are used in XML, allowing attackers to modify the syntax, content, or commands of the XML before it is processed by an end system. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A xml injection (aka blind xpath injection) vulnerability in Fortinet FortiAnalyzer 8.0.0, FortiAnalyzer 7.6.0 through 7.6.7, FortiAnalyzer 7.4.0 through 7.4.11, FortiAnalyzer 7.2.0 through 7.2.12, FortiAnalyzer Cloud 8.0.0, FortiAnalyzer Cloud 7.6.0 through 7.6.7, FortiAnalyzer Cloud 7.4.1 through 7.4.11, FortiAnalyzer Cloud 7.2.1 through 7.2.12, FortiManager 8.0.0, FortiManager 7.6.0 through 7.6.7, FortiManager 7.4.0 through 7.4.11, FortiManager 7.2.0 through 7.2.12, FortiManager Cloud 8.0.0, FortiManager Cloud 7.6.0 through 7.6.7, FortiManager Cloud 7.4.1 through 7.4.11, FortiManager Cloud 7.2.1 through 7.2.12 may allow an unauthenticated remote attacker to inject arbitary content into a signed SAML response via crafted SAML requests.

The advisory is shared for download at fortiguard.fortinet.com. This vulnerability was named CVE-2026-126176 since 11/10/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/11/2026). The MITRE ATT&CK project declares the attack technique as T1505.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Fortinet

Name

• FortiAnalyzer
• FortiManager

Version

• 7.2.0-7.2.12
• 7.4.0-7.4.11
• 7.6.0-7.6.7
• 8.0.0

License

• commercial

Website

• Vendor: https://www.fortinet.com/

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